RICHEY "54A"

Oil · District 7C · Lease #8486

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

33k BBL

Cum Gas

1.1M MCF

casinghead

Wells

11

Production

1993-01 — 2026-04

Peak Month

2007-05

Production History

Cum Oil: 33,379 BBL Cum Gas: 1,077,779 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

966 BBL/mo

Di (annual)

171.4%

b-factor

0.9

EUR

25,976 BBL

R-squared

0.903

type

hyperbolic

Operator History (from monthly production reports)

1997-09 — 2026-07 PIONEER NATURAL RES. USA, INC. 347 mo
1995-03 — 1997-08 PARKER & PARSLEY DEVELOPMENT L.P 30 mo
1993-01 — 1995-02 PARKER & PARSLEY DEVELOPMENT CO. 26 mo

Wells (11)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
10PIONEER NATURAL RES. USA, INC.27,2002007-07-05
12PIONEER NATURAL RES. USA, INC.17,2002006-05-11
11PIONEER NATURAL RES. USA, INC.17,1002006-04-20
9PIONEER NATURAL RES. USA, INC.17,1002006-03-29
8PIONEER NATURAL RES. USA, INC.17,4001982-03-10
7PIONEER NATURAL RES. USA, INC.17,4001982-01-25
6PIONEER NATURAL RES. USA, INC.17,4001981-11-30
5PIONEER NATURAL RES. USA, INC.17,4001981-01-22
4PIONEER NATURAL RES. USA, INC.17,4001981-01-21
3PIONEER NATURAL RES. USA, INC.17,4001980-11-05
2PIONEER NATURAL RES. USA, INC.17,3001980-02-05